Safety clutch



FIG. 1 is a front perspective view of a safety clutch, showing the new design, wherein the rear perspective view is identical to the perspective view;

FIG. 2 is a rear perspective view thereof, wherein the rear perspective view is a mirror image of the front perspective view;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is an lower perspective view thereof. 

CLAIM The ornamental design for a safety clutch, as shown and described. 